(3,4) means that an x value = 3 and a y value = 4, so substitute into
y = mx + b to solve for b.
4 = -5(3) +b; so b = 19, now substitute m and b into sane equation leaving x and y as variables. So the equation becomes: y = -5x + 19
The straight line equation would depend on the slope which has not been given.
30
If you mean a slope of -2 passing through (5, 0) then the equation is y = -2x+10
The general equation of the line is y = 3x + c. Having only one coordinate (21) of a point on this line is not enough to evaluate c.
It is: y = 5x+6
39
If the slope is m, then the equation is y - 7 = m*(x + 3)
Slope: -35 passing through (-5, -1) Equation: y = -35x-176
The straight line equation would depend on the slope which has not been given.
If you mean a point of (-1, 4) and a slope of -3 then the equation is y = -3x+1
30
If you mean a slope of -2 passing through (5, 0) then the equation is y = -2x+10
If the slope is undefined, it is a vertical line. Therefore the equation is x=2.
y=x
It is: y--3 = -4(x--8) which works out as y = -4x-35
The general equation of the line is y = 3x + c. Having only one coordinate (21) of a point on this line is not enough to evaluate c.
It is: y = 5x+6